brazil, russia, who? >> rose: none of the emerging nations. >> i don't think so. and it's possible that a brand-new pattern will emerge from this resorting of wealth and power. but the world needs leadership now. on the issue of climate, water, topsoil, population, distribution of wealth in the global economy, you can go down the list. and the only obvious candidate to provide leadership in the word is united states. now many perceive the united states as having gone through a relative decline in power. there's evidence to that effect. but it's not clear that that is a persistent pattern. it is clear that the only way the united states can play what i think its natural role is, to provide leadership to the world o i do think that people around the world still look to the united states in spite of their disappointments, in spite of their concerns, as a kind of avatar among nations and if we are to play that role, those of us who are citizens of the united states have to reclaim the integrity of our democracy. it is failing us. the middle class is being hollowed out